/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.streaming.test.examples.windowing;

import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration;
import org.apache.flink.streaming.examples.windowing.TopSpeedWindowing;
import org.apache.flink.streaming.examples.windowing.util.TopSpeedWindowingExampleData;
import org.apache.flink.test.util.MiniClusterWithClientResource;
import org.apache.flink.util.FileUtils;
import org.apache.flink.util.TestLogger;

import org.junit.ClassRule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;

import java.io.File;

import static org.apache.flink.test.util.TestBaseUtils.compareResultsByLinesInMemory;

/**
 * Tests for {@link TopSpeedWindowing}.
 */
public class TopSpeedWindowingExampleITCase extends TestLogger {

	@ClassRule
	public static TemporaryFolder temporaryFolder = new TemporaryFolder();

	@ClassRule
	public static MiniClusterWithClientResource miniClusterResource = new MiniClusterWithClientResource(
		new MiniClusterResourceConfiguration.Builder()
			.setNumberTaskManagers(1)
			.setNumberSlotsPerTaskManager(1)
			.build());

	@Test
	public void testTopSpeedWindowingExampleITCase() throws Exception {
		File inputFile = temporaryFolder.newFile();
		FileUtils.writeFileUtf8(inputFile, TopSpeedWindowingExampleData.CAR_DATA);

		final String resultPath = temporaryFolder.newFolder().toURI().toString();

		TopSpeedWindowing.main(new String[] {
			"--input", inputFile.getAbsolutePath(),
			"--output", resultPath});

		compareResultsByLinesInMemory(TopSpeedWindowingExampleData.TOP_SPEEDS, resultPath);
	}
}
